f.write example 2

python-temel/f.write.2.py

@@ -0,0 +1,3 @@
+with open('test.txt', 'w') as f:
+    for i in range(10):
+        f.write('Number: {}\n'.format(i))

python-temel/test.txt

@@ -1 +1,10 @@
-This is a testYes this is a test
+Number: 0
+Number: 1
+Number: 2
+Number: 3
+Number: 4
+Number: 5
+Number: 6
+Number: 7
+Number: 8
+Number: 9